Seesaw with eye and vestibular apparatus, with text "eye-head lab" with a photo of woman on rotating platform in eyetracker

Shanidze Lab

Welcome to the Eye-Head Movement Lab! Our laboratory is interested in the mechanisms of eye and head movement and coordination and how those mechanisms are altered when visual or vestibular inputs are compromised.

For more information about our research projects, please see the "Projects" tab below.

Tabs

Conference Papers
Velisar, A., & Shanidze, N.. (2021). Noise in the Machine: Sources of Physical and Computation Error in Eye Tracking with Pupil Core Wearable Eye Tracker. In ACM Symposium on Eye Tracking Research and Applications (pp. 1-3). Association for Computing Machinery: New York, NY, USA. http://doi.org/10.1145/3450341.3458495
Love, K., Velisar, A., & Shanidze, N.. (2021). Eye, Robot: Calibration Challenges and Potential Solutions for Wearable Eye Tracking in Individuals with Eccentric Fixation. In ACM Symposium on Eye Tracking Research and Applications (Adjunct, pp. 1-3). Association for Computing Machinery: New York, NY, USA. http://doi.org/10.1145/3450341.3458489
Presentations/Posters
Stewart, C. E., Bauer, D. S., Velisar, A., & Shanidze, N.. (2021). Functional Correlates of Noise-Induced Damage to the Vestibular Periphery. Date Published 01/2021, Society for Neuroscience Global Connectome: Virtual.
Velisar, A., & Shanidze, N.. (2021). Effects of eccentric viewing in orientation discrimination. Date Published 01/2021, Society for Neuroscience Global Connectome: Virtual.
Velisar, A., & Shanidze, N.. (2020). Effect of Viewing Distance on the Vestibuloocular Reflex in Central Field Loss. Date Published 01/2020, Association for Research in Otolaryngology MidWinter Meeting: San Jose, CA.
Safi, M., Verghese, P., & Shanidze, N.. (2020). Effects of task demands on smooth pursuit gain in macular degeneration. Investigative Ophthalmology & Visual Science. Association for Research in Vision and Ophthalmology Annual Meeting: Canceled due to COVID.
Shanidze, N., & Verghese, P.. (2019). Motion Perception in Central Field Loss: Visual Field Contributions. Investigative Ophthalmology & Visual Science. ARVO: Vancouver B.C.
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  • Characteristics of Smooth Pursuit in Individuals with Central Field Loss
    Active

    Characteristics of Smooth Pursuit in Individuals with Central Field Loss

    This project investigates the properties of smooth pursuit eye movements in individuals with macular degeneration. Commonly believed to be a fovea-linked eye movement, smooth pursuit has not been previously investigated in individuals with central field loss, despite its importance for tracking moving objects, such as vehicles or pedestrians on a busy street.

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  • Experimental equipment: head-mounted eye-tracking goggles and head movement sensor
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    Coordination of Eye and Head Movements in Central Field Loss

    This project investigates the interaction between central field loss (CFL) and vestibular function.

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  • Image of the retina with a centroid target superimposed. The fovea is off-center from the target.
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    Fovea Use During Smooth Pursuit

    There is continuing debate as to whether smooth pursuit relies on the foveation of a moving target, especially when the target is compact.

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  • The dots on the left are moving faster than the dots on the right side of the screen
    Active

    Motion Perception in Central Field Loss

    The project investigates motion perception in individuals with vision loss due to central retinal lesion, but who retain healthy peripheral retina.

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  • engineering schematic of eye movement platform
    Active

    Robotic Oculomotor Simulator

    Current eye tracking and calibration algorithms do not accommodate eccentric viewing and the capacity for accurate eye tracking is difficult to assess in individuals with central visual field loss, and few studies of naturalistic oculomotor behavior exist. To address this problem, we are developing a binocular robotic model of the human eyes that can simulate fixation and eye movements with an eccentric preferred retinal locus in one or both eyes and allow for precise assessment of eye tracking performance of head mounted computer vision-based eye tracking systems.

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